feat: 新時報システムの追加

[MikuroXina]

Close #17.

Type of Change:

機能の追加, テストの追加

Details of implementation (実施内容)

#17 で提案していたものを追加しました. 時報スケジュールは assets/time-signal.yaml ファイルで 3 パターンを必ず指定するようになっており, 以下のような形式になっています.

MORNING: # キーはこの 3 パターンがすべて必須
  time:
    hours: 7   # 0 - 23 の数値
    minutes: 0 # 0 - 59 の数値
  message: 'マルナナマルマル、朝だ。…司令官、まだ寝てるの？'
NOON:
  time:
    hours: 12
    minutes: 0
  message: 'Полдень. 今日は何を作ってるんだい？'
MIDNIGHT:
  time:
    hours: 2
    minutes: 0
  message: 'マルフタマルマル、もう遅いね。眠かったらどうぞ。私の膝を貸そうか。'

[codecov-commenter]

Codecov Report

Merging #756 (7ec38f7) into main (7dfca8a) will increase coverage by 0.32%.
The diff coverage is 90.38%.

❗ Current head 7ec38f7 differs from pull request most recent head 16fc20b. Consider uploading reports for the commit 16fc20b to get more accurate results

@@            Coverage Diff             @@
##             main     #756      +/-   ##
==========================================
+ Coverage   72.35%   72.68%   +0.32%     
==========================================
  Files          71       72       +1     
  Lines        4800     4894      +94     
  Branches      466      474       +8     
==========================================
+ Hits         3473     3557      +84     
- Misses        862      864       +2     
- Partials      465      473       +8     

Flag	Coverage Δ
unittests	72.68% <90.38%> (+0.32%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/service/time-signal.ts	89.36% <89.36%> (ø)
src/adaptor/clock.ts	60.00% <100.00%> (ø)
src/adaptor/discord/voice.ts	21.00% <100.00%> (ø)
src/adaptor/proxy/command/schema.ts	55.12% <100.00%> (ø)
src/runner/schedule.ts	80.19% <100.00%> (ø)

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